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Investments in Marketable Securities (Tables) | 12 Months Ended
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Jan. 31, 2023
Investments, Debt and Equity Securities [Abstract] |
Schedule of Marketable Securities | The following tables summarize the Company's investments in marketable securities:
| January 31, 2023
(in thousands) | Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
Money market funds | $ | 68,165 |  |  | $ | — |  |  | $ | — |  |  | $ | 68,165 |
U.S. treasury securities | 40,372 |  |  | — |  |  | (9) |  |  | 40,363 |
Total marketable securities | $ | 108,537 |  |  | $ | — |  |  | $ | (9) |  |  | $ | 108,528 |
| January 31, 2022
(in thousands) | Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
Money market funds | $ | 138,470 |  |  | $ | — |  |  | $ | — |  |  | $ | 138,470 |
U.S. treasury securities | — |  |  | — |  |  | — |  |  | — |
Total marketable securities | $ | 138,470 |  |  | $ | — |  |  | $ | — |  |  | $ | 138,470 |

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- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI https://asc.fasb.org/topic&trid=2196928 + Details
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